P145D
Fan System Component Error 'B'
P145D is an OBD-II diagnostic trouble code meaning: Fan System Component Error 'B'. Common causes: fan motor 'b' faulty, open or short circuit in the fan circuit. Estimated repair cost: $28–89.
Symptoms
- Engine overheating
- One of the cooling fans is not working
- Hot air from the heater while the engine is running
- Check Engine light comes on
- Reduced engine power in hot weather
Causes
- Fan motor 'B' faulty
- Open or short circuit in the fan circuit
- Fan relay problems
- Cooling control unit malfunction
- Oxidation of contacts in fan connectors
How to Fix
- Check fan fuse 'B'
- Diagnose the fan motor
- Check the integrity of wiring and connectors
- Test the fan relay
- If necessary, replace fan 'B'
Related codes
FAQ
What does the P145D code mean?
P145D is an OBD-II diagnostic trouble code that indicates: Fan System Component Error 'B'
What causes a P145D error code?
The most common causes of P145D include: Fan motor 'B' faulty; Open or short circuit in the fan circuit; Fan relay problems; Cooling control unit malfunction.
How do I fix a P145D diagnostic trouble code?
To fix P145D: Check fan fuse 'B'. Diagnose the fan motor. Check the integrity of wiring and connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P145D?
Limited driving only, diagnose soon
How much does it cost to fix P145D?
The estimated repair cost for P145D is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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